opeseyi / nft-marketplace-contact

1. Create a decentralized Nft Marketplace
   1. 'listItem': List NFTS on the marketplace
   2. 'buyItems': Buy the NFTS
   3. 'cancelItem': Cancel a listing
   4. 'updateListing': Update price
   5. 'withdrawProceeds': Withdraw payments for my bought NFTS